Ruíz Pérez, A. (2011). D. Sunshine Hillygus y Todd G. Shields. The persuadable voter: Wedge issues in presidential campaigns. Princeton : Princeton University Press, 2008. 249 p. El Colegio de México A.C.
Cita Chicago Style (17a ed.)Ruíz Pérez, Andrés. D. Sunshine Hillygus Y Todd G. Shields. The Persuadable Voter: Wedge Issues in Presidential Campaigns. Princeton : Princeton University Press, 2008. 249 P. El Colegio de México A.C, 2011.
Cita MLA (9a ed.)Ruíz Pérez, Andrés. D. Sunshine Hillygus Y Todd G. Shields. The Persuadable Voter: Wedge Issues in Presidential Campaigns. Princeton : Princeton University Press, 2008. 249 P. El Colegio de México A.C, 2011.
警告：這些引文格式不一定是100％准確.